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Win a Crazyflie

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The great guys at Bitcraze have created a super nice small remote controlled flying eval board with the Nordic Semiconductor nRF24L01+ 2.4 GHz radio chip and the ST Arm Cortex M3 based micro controller STM32F103CB.  It’s really a nice little toy that can be used for both fun and learning.

ns_q-copterWe are giving one of these away to a lucky participant in the Nordic SI Week 2014 simply because we like it. So not only can you win a ZedBoard if you sign up early, you can also win a Crazyflie.

You control the thing with an Android phone or a PC with a USB dongle radio. It works with Playstation 3 or XBOX 360 controllers as well. And you can even fly it with a gesture sensor from Leap Motion as shown in this video:

Impressive stuff. Good to see not all electronics needs multi-gigabit signaling to be interesting 🙂

Upcoming Events Early 2014

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If you are interested in signal integrity, and you should be if you are reading this, you may have noticed that the subject seem to have a slow but ever increasing level of awareness. I think this is really good. One of the indicators is the number of events going on related to signal integrity.… Read more

Nordic SI Week 2014 in Stockholm

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We are announcing the 2nd Nordic SI Week the week of May 5th is going to be in Stockholm this year. This will feature a full week of signal integrity (SI) training with Lee Ritchey from Speeding Edge as the main speaker. If you have already taken those 3 courses and liked it, please do… Read more

How long is a Nanosecond in electronics?

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Watch this classic clip featuring Grace Hopper to learn how long a nanosecond is. And why it is so useful as an educational tool. I still use that today whenever I do the 3-day signal integrity training course. And happy 107 year birthday to Grace Hopper (December 9, 1906 – January 1, 1992). Such an… Read more

High Speed Via

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How do you make high-speed vias that work at +56Gpbs? Recently a question came up: How big the clearance hole (anti-pad) needed to be for a through-hole via to have acceptable performance with 56Gbps signals on a high layer count board (22 layers / 2.4mm thickness). I decided to compile all the information I had… Read more

Twisted pair cable termination

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A recent question on the Electrical Engineering Stack Exchange website, which is the closest we get to a hardware version of the hugely popular software engineering resource Stackoverflow, got me thinking of twisted pair cable termination and how bad things can really go. The user Andy sent an 80 MBps signal through a 50-meter cable… Read more